Opposition members in Bahrain say authorities detained six opposition leaders Thursday, a day after security forces drove pro-democracy protesters out of the capital’s main square in a deadly raid.Shi’ite opposition leader Hassan Mushaima, Wa’ad party leader Ibrahim Sharif and activist Abdul Wahad Hussein are among the detained. Their charges are currently unknown. On Wednesday, hospital and opposition sources say at least five people were killed when Bahraini authorities forced out demonstrators who had set up camps in Pearl Square. The site has been a rallying point for protesters in the capital, Manama. The government has declared a state of emergency to try to end the uprising. Bahrain state television said Tuesday King Hamad bin Isa al-Khalifa ordered the commander of the armed forces to take “appropriate measures” to safeguard the nation against protesters whom he accused of “terrorizing” the population.